United Steelworkers called the U.S. Steel and Nippon Steel lawsuit a 'frivolous and unsubstantiated attack' on the union.

United Steelworkers president David McCall filed a motion to dismiss a lawsuit filed against him by U.S. Steel and Nippon Steel, the union said on Wednesday.The two steelmakers filed a lawsuit against ...

The United Steelworkers said Wednesday it filed a motion to dismisss a lawsuit by US Steel (NYSE:X) and Nippon Steel ...